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Enter a 5-Digit ZIP Code or City + State Abbreviation

Use the Climate Data lookup to find climate information by ZIP Code. View high, low and average temperatures within an area and the amount of cooling required (CDD), amount of heating required (HDD) and amount of rain in inches.

  • Enter a 5-Digit ZIP Code (i.e. 92688) OR a City and State Abbreviation (i.e. Irvine CA)
  • Information is based on 1971 to 2000 normals.
  • Rain is displayed in inches.
  • Monthly and daily averages and yearly totals.
  • The amount of cooling (CDD) and heating (HDD) required.
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Climate Averages for ZIP Code 91702

Nearest weather station at POMONA FAIRPLEX, CA. Elevation 1040 Feet
Month High Temp Average Temp Low Temp CDD HDD Rain(Inches) Zip Code Month Number
January 67.6 54.6 41.5 1 325 4.0 91702 1
February 69.0 56.3 43.5 7 252 4.1 91702 2
March 69.1 56.9 44.6 12 249 3.5 91702 3
April 74.1 60.5 46.9 33 169 0.7 91702 4
May 76.7 64.1 51.5 72 101 0.3 91702 5
June 82.3 68.7 55.1 142 31 0.1 91702 6
July 88.7 73.8 58.8 273 3 0.0 91702 7
August 89.2 74.2 59.2 287 2 0.1 91702 8
September 86.7 72.4 58.0 231 11 0.3 91702 9
October 80.2 66.4 52.6 103 59 0.7 91702 10
November 73.1 59.3 45.4 25 198 1.3 91702 11
December 68.3 54.7 41.0 5 327 2.0 91702 12
Yearly Total 1,191 1,727 17.0